MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenPrevious Year Questions

Then zeolite is treated with hard water, the sodium ions are exchanged with (AMU 2012)

A.H+ ions

B.H+ and Ca2+ ions

C.OH– and Mg2+ ions

D.Ca2+ and Mg2+ ions✓ Correct

Explanation

When zeolite is treated with hard water, the sodium ions are exchanged with Ca2+ and Mg2+ ions. 2 2 Zeolite Na Z M 2Na MZ M Ca or Mg ->

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